Online sale of optical devices, contact lenses now banned
The Medical Device Authority (MDA) has banned the online sale of optical devices and contact lenses on e-commerce platforms ...
Compact optical device achieves super-resolution imaging beyond the diffraction limit
Researchers from the University of Science and Technology of China (USTC) have unveiled a planar optical device that significantly enhances the capabilities of dark-field microscopy, achieving ...
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New ultrathin optical device can precisely capture and stimulate the mammalian brain
Researchers at Columbia University, New York University and other institutes recently developed a new subdermal optical ...
Nanowerk5d
Metasurface stores data securely by manipulating four light properties
Scientists develop a metasurface that encrypts data using wavelength, wavevector direction, polarization, and diffraction ...